stand at的用法和樣例：
例句
- A person reaches his majority at the age of 21.
一個人二十一歲達到法定成年。 - I will accomplish my purpose at any cost.
我無論如何都要達到目的。
辭彙搭配
- at a stand 停頓
- stand at ease 稍息
- stand at gaze 站著呆望
- stand aghast at 被 ... 嚇一跳...
- stand one's trick at the wheel 值班
- stand at attention 立正
